XDA-Developer highly recognized member adesirello had just cooked one of his masterpiece and brought us the:
Δ AndyX ROM™ v5.0 - XXLPB - Android ICS 4.0.3 - Tweaks (performance, battery saving, better signal, etc) - % Battery - No TouchWiz Launcher - And much more Δ
*Based on Stock Firmware XXLPB Android 4.0.3 (Ice Cream Sandwich) (Very Stable, Smooth and Fast)
* Rooted with CF-Root
* Removed Samsung TouchWiz Launcher
* Ice Cream Sandwich Interface
* Applications AOSP ICS 4.0 (Contacts, Phone, MMS, Calendar, Calculator, Music, Browser, etc)
* Includes Superuser.apk
* Includes FM Radio.apk
* Includes Widget Time and News .apk
* Includes Camera.apk
* Includes Flash Player.apk
* Includes AndyX ROM Gallery .apk
* Includes FaceUnlock.apk
* Includes much more apps...
* Performance Tweaks:
* Improved speed data connection
* Improved speed internet connection
* Improved stability
* Improving the quality of images. Jpg and videos. Mp4
* New icons (FMRadio, Gallery, Music, Phone, SMS, Contacts, Phone, Task Manager, etc ...)
* And much, much more...
To grab this very awesome ROM just head over to adesirello XDA thread for further installation procedures. Install it and don't get your Galaxy SII outdated.